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Note 2 - Acquisition (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 24, 2024
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Business Combination, Acquisition Related Costs   $ 943 $ 0 $ 943 $ 0
Marble Medical, Inc [Member]          
Business Acquisition, Percentage of Voting Interests Acquired 100.00%        
Payments to Acquire Businesses, Gross $ 4,500        
Business Combination, Acquisition Related Costs   $ 145   $ 145  
Marble Medical, Inc [Member] | Maximum [Member] | Achievement of Sales Targets [Member]          
Business Combination, Consideration Transferred, Liabilities Incurred $ 500